
Roll Posterior Shoulder Lying on Floor
- Target muscle
- —
- Equipment
- Roll
- Body part
- Shoulders
- Type
- Stretching
Roll Posterior Shoulder Lying on Floor is a foam-roller stretching exercise that applies targeted compression to the posterior shoulder — the rear deltoid and surrounding rotator cuff area — by lying on the floor with the roller positioned beneath the back of the shoulder. It is useful for releasing tightness and improving mobility in the rear shoulder after pressing, pulling, or overhead work.
How to do the Roll Posterior Shoulder Lying on Floor
- 1Place the foam roller horizontally on the floor. Lie on your back and shift to one side so the roller sits beneath the back of your target shoulder, roughly at the rear deltoid where the shoulder meets the upper back.
- 2Extend the arm on the target side straight out to the side at shoulder height, palm facing up, to open the posterior shoulder and allow full contact with the foam.
- 3Bend both knees and plant your feet flat on the floor to stabilize your lower body and prevent rolling away from the target area.
- 4Allow your full bodyweight to settle onto the roller. Take a slow breath in, then exhale completely to begin relaxing the rear shoulder tissue against the foam.
- 5Make small, controlled adjustments by shifting your body slightly up or down along the roller to move the contact point across the posterior deltoid and the surrounding rotator cuff area.
- 6When you locate a tender or tight spot, stop moving and hold that position. Breathe steadily — inhale through the nose, exhale through the mouth — for 20–30 seconds to allow the tissue to soften under the pressure.
- 7You may also slowly rotate your arm inward and outward while holding a tender spot to vary the angle of compression and work deeper into the tissue.
- 8After addressing the target areas on one side, carefully roll off the foam roller by pushing through your feet and shifting your weight to one side, then repeat the sequence on the opposite shoulder.
Form tips
- Keep your neck relaxed and your head resting on the floor or supported by a small towel — tension in the neck will transfer into the shoulder and reduce the release.
- Use your feet and bent knees to fine-tune the amount of pressure: pressing lightly through your feet reduces bodyweight on the roller; letting them go heavy increases compression.
- Move slowly between positions — spending at least 20 seconds on each tender spot is far more effective than rolling continuously through the area.
- Breathing deeply and exhaling fully while on a tight spot helps the posterior shoulder muscles relax involuntarily, allowing the foam roller to work at greater depth.
- If the direct compression feels too intense, place your free hand on the floor beside you and press lightly to offload some bodyweight onto the roller rather than bearing your full weight.
Common mistakes
- Positioning the roller too far medially onto the upper back rather than under the rear deltoid itself, which shifts the compression away from the posterior shoulder and reduces the effectiveness of the exercise.
- Rolling back and forth continuously without pausing on tender areas, which treats the movement as a rhythmic drill rather than the sustained myofascial release it is designed to produce.
- Tensing the shoulder and arm during the exercise, which keeps the rear deltoid contracted and prevents the tissue from responding to the compressive pressure.
- Holding the breath while on a painful or tight spot, which reflexively contracts the muscles being targeted and significantly limits how deeply the foam roller can work into the tissue.
- Rushing through both sides without equal attention to each, which often leaves the tighter shoulder under-treated and reinforces asymmetrical shoulder mobility over time.
Frequently asked questions
What does Roll Posterior Shoulder Lying on Floor target?
It targets the posterior shoulder region, specifically the rear deltoid and the surrounding rotator cuff area. No synergist muscles are involved — the exercise focuses entirely on applying compressive pressure to the back of the shoulder to release tightness and improve local mobility.
When should I do Roll Posterior Shoulder Lying on Floor in my workout?
It works best at the end of a training session as part of a cool-down, particularly after pressing, rowing, or overhead movements that load the shoulder. Performing it when the tissue is warm generally produces a better release than doing it cold before training.
How long should I hold each position on the roller?
Pause on any tender or tight spot for 20–30 seconds before shifting to the next area. Moving through the posterior shoulder too quickly does not give the tissue enough time to soften and respond to the foam roller pressure.
Can I do this exercise if I have shoulder pain?
Mild tightness or post-training soreness is a normal indication for this exercise. However, if you have an acute shoulder injury, impingement, or pain that worsens with direct compression, consult a healthcare professional before using foam rolling on the shoulder.
How often can I do Roll Posterior Shoulder Lying on Floor?
Most people can perform it daily as a mobility and recovery exercise. If the posterior shoulder remains notably sore after a session, allow 24–48 hours before applying direct compression again to give the tissue adequate time to recover.







